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PN 16672

 

04/2020

 

OPERATION

 

WARNING:

 

PERSONS EXPECTED TO USE THIS EXTINGUISHER SHALL BE MADE AWARE OF THE 
CONFINED  SPACE  LIMITATIONS  AND  TRAINED  IN  INITIATING  ITS  OPERATION  AND 
PROPER  FIRE  FIGHTING  TECHNIQUE.  THE  CONCENTRATED  AGENT  CAN  PRODUCE 
TOXIC  BY

-

PRODUCTS.  AVOID  INHALATION  OF  THESE  MATERIALS  BY  EVACUATING 

THE  CONFINED  SPACE.  DO  NOT  USE  IN  CONFINED  SPACES  SMALLER  THAN  THE 
MINIMUM STATED ON THE EXTINGUISHER LABEL.

 

CAUTION:

 

Persons expected to use this extinguisher shall be trained in initiating its operation and 
in  the  proper  fire  fighting  technique.  "Dry  Run"  and  visual  aid  training  will  prepare 
personnel with  the  feel  for this  extinguisher  so that the most  effective application  can 
be utilized in an emergency situation. The basic operating instructions are contained on 
the pictogram of every extinguisher. The following elaborates on these instructions:

 

1.

 

Move the extinguisher to within approximately 50 feet of the fire site. KEEP UPRIGHT.

 

2.

 

Twist and pull pin and open cylinder valve by rotating (pulling) the valve lever toward the hose 90°. The 
hose is now pressurized.

 

3.

 

Pull  nozzle  with  nozzle  lever  in  the  closed  position  from  the  nozzle  mount  and  extend  hose  from  the 
storage rack.

 

4.

 

Stand back 30 feet from the fire and aim just in front of the base of the flames nearest you.

 

5.

 

Hold hose and nozzle firmly and be prepared for a discharge recoil. Open nozzle by pulling lever toward 
you. Slowly sweep side to side extending the discharge beyond the edges of the fire. Progressively follow 
up until the fire is extinguished. Work the fire away from you while being alert for flashbacks. Move closer 
as  the  fire  is  extinguished  but  not  so  close  as  to  scatter  or  splash  the  burning  material.  Shut  off  nozzle 
lever to stop discharge. Stand and watch for possible re

-

ignition.

 

6. Evacuate and ventilate the area immediately after extinguishing the fire. The fumes and smoke from any 

fire may be hazardous and can be deadly.

 

WARNING:

 

SYMPTOMS  OF  OVER

-

EXPOSURE  TO  PURE  HALOTRON  l  MAY  CAUSE  CENTRAL 

NERVOUS  SYSTEM  EFFECTS  SUCH  AS  DIZZINESS,  DROWSINESS,  ANESTHESIA,  OR 
UNCONSCIOUSNESS.  PERSONS  SUFFERING  FROM  OVER

-

EXPOSURE  SHALL  BE 

IMMEDIATELY  REMOVED  TO  AREA  WITH  FRESH  AIR.  APPLY  ARTIFICAL 
RESPIRATION IF NECESSARY. CONTACT A PHYSICIAN

.

 

 

 

 

 

 

 

 

65 LB. MODELS

 

150 LB. MODELS

 

Discharge Time (approx.)

 

22 seconds

 

31 seconds

 

Range (Agent Thow)

 

30 to 45 feet

 

30 to 45 feet

 

Hose Length

 

50 feet

 

50 feet

 

BEFORE PREPARING TO MOVE THE EXTINGUISHER TO THE RECHARGE LOCATION, 
DETERMINATION MUST BE MADE THAT THE FIRE IS COMPLETELY EXTINGUISHED AND THERE IS 
NO DANGER OF A FLASHBACK.

 

 

 

Summary of Contents for B673

Page 1: ...TINGUISHERS MODELS B673 B674 B675 AMEREX CORPORATION P O BOX 81 TRUSSVILLE ALABAMA 35173 0081 Phone 205 655 3271 Fax 800 654 5980 e mail sales amerex fire com Web Page http www amerex fire com REFERENCES IN THIS MAUNUAL NFPA 10 Portable Fire Extinguishers JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ CGA C 1 Methods for Pressure Testing Compressed Gas Cylinders CGA C 6 Standard for Visual Inspectio...

Page 2: ...alve and the nozzle connection to the hose are tight 4 Check to insure that the nozzle shut off lever is in the CLOSED position The pull pin shall be installed and the tamper seal intact 5 Visually inspect the pressure gauge The pressure gauge shall be in the green zone Slight pressure variances in the gauge reading may be found if the extinguisher has been subjected to extremes of heat or cold Hi...

Page 3: ...from the storage rack 4 Stand back 30 feet from the fire and aim just in front of the base of the flames nearest you 5 Hold hose and nozzle firmly and be prepared for a discharge recoil Open nozzle by pulling lever toward you Slowly sweep side to side extending the discharge beyond the edges of the fire Progressively follow up until the fire is extinguished Work the fire away from you while being ...

Page 4: ...to prevent its operation PERIODIC INSPECTION PROCEDURES monthly or more often if circumstances dictate NFPA 10 Periodic inspection of fire extinguishers shall include a check of at least the following items 1 Located in designated place 2 No obstruction to access or visibility 3 Operating instructions on nameplate legible and facing outward 4 Tamper seals not broken or missing 5 Determine fullness...

Page 5: ...he operation is impeded replace ball valve assembly Make sure that the nozzle tip is clear and unobstructed WARNING ALWAYS OPEN THE SHUTOFF NOZZLE HANDLE SLOWLY BE PREPARED FOR A POSSIBLE DISCHARGE AND NOZZLE RECOIL 8 After making sure that there is no residual pressure in the discharge hose disconnect it from the cylinder operating valve Blow air through the hose and nozzle assembly to insure tha...

Page 6: ...nt and pressure remove valve assembly and disassemble by removing downtube spring and valve stem assembly Discard valve stem assembly and collar o ring NOTE Keep cylinder opening covered while devalved to minimize interior corrosion 4 Thoroughly clean all parts of the disassembled valve with a soft bristle brush or soft cloth Blow the valve out with dry nitrogen 5 Install a new valve stem assembly...

Page 7: ... minimum Tare weight extinguisher or record empty weight The extinguisher shall be fully discharged and empty 4 Connect the extinguisher to a Halotron l supply cylinder using the Amerex PN 14538 Halotron l Recharge Kit NOTE The Halotron l supply cylinder must be pressurized to approximately 100 psi with ARGON to properly charge the extinguisher 5 Open the agent cylinder discharge valve by pulling ...

Page 8: ...ures can cause high gauge readings and low temperatures low readings When in doubt condition the extinguisher to 70ºF 21ºC for several hours to obtain more accurate pressure gauge readings 2 Leak through valve Remove valve assembly downtube spring and valve stem assem bly Install new valve stem GREEN SEAL assembly Check valve seat for scratches or foreign matter 3 Leak at collar o ring Remove valv...

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